On Mon, Mar 8, 2021 at 1:50 PM Marc Zyngier <m...@kernel.org> wrote: > On Fri, 05 Mar 2021 15:05:08 +0000, > Andy Shevchenko <andy.shevche...@gmail.com> wrote:
... > > > +#define TIMER_FIRING(x) > > > \ > > > + (((x) & (ARCH_TIMER_CTRL_ENABLE | ARCH_TIMER_CTRL_IT_MASK | > > > \ > > > + ARCH_TIMER_CTRL_IT_STAT)) == > > > \ > > > + (ARCH_TIMER_CTRL_ENABLE | ARCH_TIMER_CTRL_IT_STAT)) > > > > It's a bit hard to read. Perhaps > > > > #define FOO_MASK (_ENABLE | _STAT) > > #define _FIRING ... (FOO_MASK | _MASK == FOO_MASK) > > The expression above is a direct translation of the architecture > reference manual, and I'd rather not have that hidden behind a bunch > of obscure macros. OK! ... > > > + irqc->hw_domain = > > > irq_domain_create_linear(of_node_to_fwnode(node), > > > + irqc->nr_hw + > > > AIC_NR_FIQ, > > > + &aic_irq_domain_ops, > > > irqc); > > > > If you are sure it will be always OF-only, why not to use > > irq_domain_add_linear()? > > The OF-only API is deprecated, and there is no point in using it for > *new* code, specially when things like IPI allocation require the use > of the modern API. For arm64 root controllers, that's the way to go. Good to know, thanks! -- With Best Regards, Andy Shevchenko